Update README.md

Author: nbauma109

README.md

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 This project has moved [here](https://github.com/nbauma109/jd-gui-duo) !
 
 A lot of changes have made the project unlikely to be merged into the original one :
-* ANTLR and the outdated JDK7 grammar are dropped and replaced by Eclipse JDT Core to take advantage of nice features such as type bindings, compiler errors/warnings, and a more convenient AST
-* Proguard is dropped as it made the project harder to maintain, the build really slow, and the errors harder to diagnose
-* JRE is now generated for the needs of the project in version 17 to continue taking advantage of the latest libraries compiled in JDK 9+
-* Other decompilers are supported (CFR, Procyon, Fernflower, JADX)
-* Use of netbeans diff module to provide a comparison feature
+* [ANTLR](https://www.antlr.org/) and the outdated JDK7 grammar [Java.g4](https://github.com/java-decompiler/jd-gui/blob/master/services/src/main/antlr/Java.g4) are dropped and replaced by [Eclipse JDT Core](https://github.com/eclipse-jdt/eclipse.jdt.core) to take advantage of nice features such as type bindings, compiler errors/warnings, and a more convenient AST
+* [Proguard](https://github.com/Guardsquare/proguard) is dropped as it made the project harder to maintain, the build really slow, and the errors harder to diagnose
+* JRE is now generated for the needs of the project in version 17 to take advantage of the latest libraries compiled in JDK 9+
+* Other decompilers are supported (CFR, Procyon, Fernflower, JADX) with the [transformer-api](https://github.com/nbauma109/transformer-api) (forked from [helios-decompiler](https://github.com/helios-decompiler/transformer-api))
+* Use of [JarComp](https://activityworkshop.net/software/jarcomp/index.html) and [netbeans diff module](https://github.com/nbauma109/netbeans-visual-diff-standalone) to provide a comparison feature